Skeleton code for new Trianglizer class. Currently does nothing.

git-svn-id: http://osgworks.googlecode.com/svn/trunk@536 c67418bc-a6eb-11de-8ba5-91705c1537ed
Trianglizer implementation.

git-svn-id: http://osgworks.googlecode.com/svn/trunk@537 c67418bc-a6eb-11de-8ba5-91705c1537ed
Adding osgwtri application to run the Trianglizer on a model.

git-svn-id: http://osgworks.googlecode.com/svn/trunk@538 c67418bc-a6eb-11de-8ba5-91705c1537ed
Minor. Typo fix.

git-svn-id: http://osgworks.googlecode.com/svn/trunk@539 c67418bc-a6eb-11de-8ba5-91705c1537ed